Three benefits of the plow are greater possible yields, the use of residue of the remaining crops as fertilizer and a reduced amount of weeds. The correct options among all the options that are given in the question are the first, second and the penultimate option. I hope that the answer has come to your great help.
I'm not sure what the answer is. But the answer most likely has to do with nonviolent or peaceful protesting because King was a strong believer that violence only leads to more violence